Handlefy Descriptor and other code in objects.cc

src/transitions.h

Index: src/transitions.h
diff --git a/src/transitions.h b/src/transitions.h
index 220d54949fb61fa11593e27468e04d72e2b08a19..6ee2f8660eac16d2559dc5642332824e6756b15e 100644
--- a/src/transitions.h
+++ b/src/transitions.h
@@ -96,18 +96,19 @@ class TransitionArray: public FixedArray {
   inline int number_of_entries() { return number_of_transitions(); }
 
   // Allocate a new transition array with a single entry.
-  static MUST_USE_RESULT MaybeObject* NewWith(
-      SimpleTransitionFlag flag,
-      Name* key,
-      Map* target,
-      Object* back_pointer);
+  static Handle<TransitionArray> NewWith(SimpleTransitionFlag flag,
+                                         Handle<Name> key,
+                                         Handle<Map> target,
+                                         Handle<Object> back_pointer);
 
   MUST_USE_RESULT MaybeObject* ExtendToFullTransitionArray();
 
   // Copy the transition array, inserting a new transition.
   // TODO(verwaest): This should not cause an existing transition to be
   // overwritten.
-  MUST_USE_RESULT MaybeObject* CopyInsert(Name* name, Map* target);
+  static Handle<TransitionArray> CopyInsert(Handle<Map> map,
+                                            Handle<Name> name,
+                                            Handle<Map> target);
 
   // Copy a single transition from the origin array.
   inline void NoIncrementalWriteBarrierCopyFrom(TransitionArray* origin,
@@ -121,6 +122,9 @@ class TransitionArray: public FixedArray {
   MUST_USE_RESULT static MaybeObject* Allocate(
       Isolate* isolate, int number_of_transitions);
 
+  MUST_USE_RESULT static MaybeObject* AllocateSimple(
+      Isolate* isolate, Map* target);
+
   bool IsSimpleTransition() {
     return length() == kSimpleTransitionSize &&
         get(kSimpleTransitionTarget)->IsHeapObject() &&